package cn.softeem.tushu.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebFilter(filterName = "PermissionFilter",urlPatterns = {"/qiantai/index.jsp","/qiantai/flow.jsp"})
public class PermissionFilter implements Filter {
    public void destroy() {
    }

    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {
        HttpServletRequest request = (HttpServletRequest)req;
        HttpServletResponse response = (HttpServletResponse)resp;
        HttpSession session = request.getSession(false);
        if(session == null || session.getAttribute("user")==null){



            return;
        }
        chain.doFilter(request, response);
    }

    public void init(FilterConfig config) throws ServletException {

    }

}
